Analysis

  • max time kernel
    149s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:10

General

  • Target

    b4e8b8fd7a0d37446be01de36bf4695c50efd2e451eec8f4a00833128e6312be.exe

  • Size

    248KB

  • MD5

    5991224f02a155003f63ee9f2c5db650

  • SHA1

    3431d83b0342478e296d1597752fb228439e0581

  • SHA256

    b4e8b8fd7a0d37446be01de36bf4695c50efd2e451eec8f4a00833128e6312be

  • SHA512

    1519be3b0d3dfe58d8e64e7438447c3caba4a5f347f69e04da4b40dbe32195ebc9d898db1dc9cd7d11b9b4c34ed0a726b9211a8084433e96315fe23772e256ff

  • SSDEEP

    6144:M9XxzTTsKOKDq73N1Nu4sfZ1EeU+mafILEn7:8hPIKOWm3NW4sfZ7U+mal

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
      • C:\Users\Admin\AppData\Local\Temp\b4e8b8fd7a0d37446be01de36bf4695c50efd2e451eec8f4a00833128e6312be.exe
        "C:\Users\Admin\AppData\Local\Temp\b4e8b8fd7a0d37446be01de36bf4695c50efd2e451eec8f4a00833128e6312be.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Windows security modification
        • Checks whether UAC is enabled
        • Enumerates connected drives
        • Drops autorun.inf file
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1996
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1120

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1996-54-0x0000000075281000-0x0000000075283000-memory.dmp

          Filesize

          8KB

        • memory/1996-55-0x00000000022D0000-0x000000000335E000-memory.dmp

          Filesize

          16.6MB

        • memory/1996-56-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1996-57-0x00000000022D0000-0x000000000335E000-memory.dmp

          Filesize

          16.6MB

        • memory/1996-58-0x00000000003F0000-0x00000000003F2000-memory.dmp

          Filesize

          8KB

        • memory/1996-59-0x00000000054C0000-0x00000000054C2000-memory.dmp

          Filesize

          8KB

        • memory/1996-60-0x00000000022D0000-0x000000000335E000-memory.dmp

          Filesize

          16.6MB

        • memory/1996-61-0x00000000003F0000-0x00000000003F2000-memory.dmp

          Filesize

          8KB

        • memory/1996-62-0x00000000054C0000-0x00000000054C2000-memory.dmp

          Filesize

          8KB

        • memory/1996-63-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB